Standardization of Nanoparticle Characterization: Methods for Testing Properties, Stability, and Functionality of...

Area of Science:

• Food science and technology
• Nanotechnology
• Materials science

Background:

• Edible nanoparticles are increasingly fabricated for oral delivery of bioactive agents.
• Current characterization methods lack standardization, hindering comparative analysis of different nanoparticle systems.
• Diverse materials like proteins, carbohydrates, lipids, and minerals are used in edible nanoparticle fabrication.

Purpose of the Study:

• To review analytical methods for characterizing edible nanoparticles.
• To propose standardized protocols for nanoparticle characterization and stability evaluation.
• To facilitate rational selection of nanoparticle delivery systems across industries.

Main Methods:

• Review of existing analytical techniques for nanoparticle characterization (composition, morphology, size, charge, physical state, stability).
• Development of proposed standardized protocols for characterization.
• Proposal of methods for evaluating stability to environmental stresses.
• Proposal of methods for predicting biological fate.

Main Results:

• A comprehensive overview of current analytical techniques for edible nanoparticles is presented.
• Standardized protocols are proposed for consistent characterization of nanoparticle properties.
• Methods for assessing stability and predicting biological fate are suggested.

Conclusions:

• Standardized protocols are crucial for comparing edible nanoparticle delivery systems.
• Implementation of proposed protocols will aid in the rational selection of nanoparticles for food, healthcare, and pharmaceutical applications.
• This work aims to advance the field by enabling reproducible and comparable research on edible nanoparticles.